package homework02;

import java.util.ArrayList;

public class hm6 {
public static void main(String[] args) {
	Printf();
}
public static void Printf(){
	ArrayList<Integer> list1=new ArrayList<Integer>();
	list1.add(100);list1.add(200);list1.add(300);
	System.out.print("{");
	for(int i=0;i<3;i++){
	Integer integer = list1.get(i);
	System.out.print(integer);
	if(i<2){System.out.print("@");}
	}
	System.out.println("}");
}
}
